<br><div class="gmail_quote"><div dir="auto" class="gmail_attr">On Tuesday, 23 June 2020 at 13:13:23 UTC+1 mirr...@gmail.com wrote:<br></div><blockquote class="gmail_quote" style="margin: 0 0 0 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><div dir="ltr"><div>sorry.My environment is win10 osg3.6.4 GTX1660Ti.<br></div><div><div>I tried to write a Gaussian blur computeshader,but I don't know why display error.</div><div><br></div><p style="text-align:center;clear:both"><img alt="QQ图片20200623183156.png" style="margin-left:1em;margin-right:1em" data-iml="94396" width="320" height="147" src="cid:c355dc23-9fdf-4266-8113-a2d1c3b429f6"></p><br></div></div></blockquote><div><br></div><div>I don't personally have time to test all users code, so I'll just make suggestion of how you can investigate what the problem is.</div><div><br></div><div>For GL error report like this it's telling us that part of state is incorrect or incompatible with the hardware/driver. the warning itself isn't fine grained enough to know exactly what state is the problem. The OSG does provide some fine grained error checking which you can enable via the env var OSG_GL_ERROR_CHECKING to ON i.e. on linux you'd do<br></div><div><br></div><div> export OSG_GL_ERROR_CHECKING=ON</div><div> myapplication mydata</div><div><br></div><div>Then have a look at the console output so what was the last osg state to be applied before the error was detected. It doesn't always pinpoint the error but does usually get you closer.</div><div><br></div><div><br></div><div> </div></div>
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